# i3 > A dynamic tiling window manager. > More information: . - Start i3 (Note that a pre-existing window manager must not be open when this command is run): `i3` - Open a new terminal window: ` + ` - Create a new workspace: ` + + {{number}}` - Switch to workspace number `n`: ` + {{n}}` - Open new window horizontally: ` + h` - Open new window vertically: ` + v` - Open application (type out application name after executing command): ` + D`